Gonna build a ported box for a new 18" BTL and need to know how much port area to feed it.
I have about 13 cubes to work with so any airspace reccomendations would be great too, daily driver. thanks
pimp your own **** ride.
Gonna build a ported box for a new 18" BTL and need to know how much port area to feed it.
I have about 13 cubes to work with so any airspace reccomendations would be great too, daily driver. thanks
such is life
14-16 inches per cubic foot. Something like this should workout. You might want
to double face it.
________________________
Car: 2004 Nissan Altima 3.5 manual
Head unit: Alpine CDA-9815 (running active)
Midbass: Morel HU-621 Hybrid Uniflow 8 ohms
Mid Amp: Audison lrx 4.300 bridged 2x140w @ 8 ohms
Doors: 24ft Damplifier Pro, Second Skin D-flex pads, eggcrate foam, sealed up.
Tweeter: SEAS 27TFFNC
High Amp: Audison Lrx-2.150
Subs: Two RE SE 12 d4's
Box: 4 cubes net at 30hz
Sub Amp: Sound Stream Van Gough 1600.2
Electrical: Knu Flex 1/0, Batcap 2000 in back
Rear Deck: No 6x9's just holes and grills
pimp your own **** ride.
If i do two seperate ports the combined area comes out to around 123 in w/ each port being 20.5x3. should be enough?
such is life
That's great, as long as you do the math to determine the depth of theOriginally Posted by MisterE
ports given you box's net cubic feet and tune.
________________________
Car: 2004 Nissan Altima 3.5 manual
Head unit: Alpine CDA-9815 (running active)
Midbass: Morel HU-621 Hybrid Uniflow 8 ohms
Mid Amp: Audison lrx 4.300 bridged 2x140w @ 8 ohms
Doors: 24ft Damplifier Pro, Second Skin D-flex pads, eggcrate foam, sealed up.
Tweeter: SEAS 27TFFNC
High Amp: Audison Lrx-2.150
Subs: Two RE SE 12 d4's
Box: 4 cubes net at 30hz
Sub Amp: Sound Stream Van Gough 1600.2
Electrical: Knu Flex 1/0, Batcap 2000 in back
Rear Deck: No 6x9's just holes and grills
pimp your own **** ride.
Oh forgot to thank you, even though I didnt use your plan.
Doing 123 sq in port area, box is about 7.9 cu ft. its huuuuuuge
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